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Security record · archived quarter

ARTNA

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
9Tracked holders
0Δ holders
775.30KShares held
$24.52MReported value
+1New positions
−1Exits
Stable 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.6% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 45 -2 3.02M $102.76M +2 −4
Q1 2026 47 +4 3.23M $102.91M +5 −1
Q4 2025 43 0 3.41M $107.80M
Q3 2025 15 -1 2.51M $81.97M −1
Q2 2025 13 +1 2.26M $75.74M +1
Q1 2025 9 0 857.20K $27.99M
Q4 2024 9 0 775.30K $24.52M +1 −1
Q3 2024 8 0 716.25K $26.63M
Q2 2024 8 703.29K $24.73M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Renaissance Technologies 276.94K +7.4% $8.76M 0.0% ▲ Add 3 SEC ↗
2 Millennium Management 118.90K -24.4% $3.76M 0.0% ▼ Trim 3 SEC ↗
3 Geode Capital Management (passive) 109.96K -0.3% $3.48M 0.0% ▼ Trim 3 SEC ↗
4 Geode Capital Management (passive) 109.96K -0.3% $3.48M 0.0% ▼ Trim 3 SEC ↗
5 State Street Global Advisors (passive) 63.64K $2.01M 0.0% n/c 1 SEC ↗
6 Marshall Wace 63.21K +17.6% $2.00M 0.0% ▲ Add 3 SEC ↗
7 Marshall Wace 63.21K +17.6% $2.00M 0.0% ▲ Add 3 SEC ↗
8 Citadel Advisors 53.30K +56.1% $1.69M 0.0% ▲ Add 3 SEC ↗
9 Citadel Advisors 53.30K +56.1% $1.69M 0.0% ▲ Add 3 SEC ↗
10 Arrowstreet Capital 39.95K -31.3% $1.26M 0.0% ▼ Trim 3 SEC ↗
11 Two Sigma Investments 31.99K -17.0% $1.01M 0.0% ▼ Trim 3 SEC ↗
12 D. E. Shaw & Co. 17.38K New $549,682 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

D. E. Shaw & Co. $549,682 0.0%

Exited

T. Rowe Price $233,000 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 104 holders, 5.41M shares, $141.62M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 20 TAYLOR DIAN C

Director · 2.00K sh · $70,600

Aug 18 TAYLOR DIAN C

Director · 2.00K sh · $70,002

Aug 17 TAYLOR DIAN C

Director · 2.00K sh · $70,014

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API